A variety of challenging, lively topics provide thorough training in exam skills and high-level language development. Each unit contains three double-page lessons ensuring flexibility, even pacing and progress. Interactive software, downloadable from a URL contained in the Student's Book, provides activities for practice of exam skills, grammar and vocabulary. Exercises and examples tackle areas that Proficiency students often find challenging, identified using Cambridge's unique collection of real exam candidates' answers, the Cambridge English Corpus. A Student's Book with answers is also available.